131630154 has 16 divisors (see below), whose sum is σ = 271752960. Its totient is φ = 42461280.

The previous prime is 131630153. The next prime is 131630171. The reversal of 131630154 is 451036131.

It is not an unprimeable number, because it can be changed into a prime (131630153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353659 + ... + 354030.

It is an arithmetic number, because the mean of its divisors is an integer number (16984560).

Almost surely, 2^131630154 is an apocalyptic number.

131630154 is an abundant number, since it is smaller than the sum of its proper divisors (140122806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131630154 is a wasteful number, since it uses less digits than its factorization.

131630154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707725.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 131630154 is about 11473.0185217318. The cubic root of 131630154 is about 508.6883557971.

Adding to 131630154 its reverse (451036131), we get a palindrome (582666285).

The spelling of 131630154 in words is "one hundred thirty-one million, six hundred thirty thousand, one hundred fifty-four".